| /* { dg-do compile } */ |
| /* { dg-options "-O1 -fdump-tree-optimized" } */ |
| |
| char *buffer1; |
| char *buffer2; |
| |
| #define SIZE 1000 |
| |
| int |
| main (void) |
| { |
| const char* const foo1 = "hello world"; |
| |
| /* MEMCHR. */ |
| if (__builtin_memchr ("", 'x', 1000)) /* Not folded away. */ |
| { |
| /* { dg-warning "\\\[-Wstringop-overread" "" { target *-*-* } .-2 } */ |
| __builtin_abort (); |
| } |
| |
| if (__builtin_memchr (foo1, 'x', 1000)) /* Not folded away. */ |
| { |
| /* { dg-warning "\\\[-Wstringop-overread" "" { target *-*-* } .-2 } */ |
| __builtin_abort (); |
| } |
| |
| /* STRNCMP. */ |
| if (strncmp ("a", "b", -1)) /* { dg-warning "implicit declaration of function" } */ |
| __builtin_abort (); |
| |
| return 0; |
| } |
| |
| /* { dg-prune-output "-Wbuiltin-declaration-mismatch" } |
| { dg-final { scan-tree-dump-times "__builtin_memchr" 2 "optimized" } } */ |
